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水电施工季节性和开挖——浇筑——安装的周期性较强,对施工设备的要求变化较大,往往在大量的土石方工程开挖之后,需要较多的起重设备作为混凝土浇筑的入仓手段和各种构件、设备的起重安装。1979年我局在混凝土浇筑施工高峰时,为解决局部混凝土入仓手段问题,决定将部分抚顺挖掘机厂生厂的WK-4型挖掘机改装为起重机。用来将3米~3混凝土卧式吊罐吊运入仓。改装后,作了性能试验,经工程局组织有关部门检查鉴定,符合起重工作要求,并已投入了使用。
The seasonality of hydropower construction and the excavation-placement-installation period are relatively strong, and the requirements for construction equipment vary greatly. After a large number of earthwork projects are excavated, more lifting equipment is required for concrete pouring. Lifting and installation of warehouse means and various components and equipment. In 1979 at the height of the concrete pouring construction, the Bureau decided to convert some of the WK-4 excavators at the Fushun excavator factory into cranes to solve the problem of local concrete warehousing. It is used to lift 3m~3 concrete horizontal hanging tank into the warehouse. After the modification, a performance test was conducted and the inspection and appraisal organized by the Engineering Bureau organized the relevant departments to meet the requirements for lifting work and was put into use.